Applications
  • Shafts, crankshafts, and connecting rods in machinery and vehicles.
  • Pinions, gears, and pulleys in transmission systems.
  • High-strength bolts and fasteners.
  • Rollers, guides, and machinery parts subjected to wear.
  • Structural and support components in construction and manufacturing.
  • Agricultural tools and heavy machinery parts.
  • Jaws and crushers.
  • Parts requiring higher hardness for increased durability.
Characteristics:
  • Medium carbon steel with good forgeability.
  • Responds well to heat treatment.
  • Good machinability.
  • Moderate weldability; may require preheating and post-weld stress relief.
Chemical Composition
Variant%(C) Carbono%(Mn) Manganeso%(P) Fósforo%(S) Azufre
1045 (Round, Square, Flat Bar, Hexagonal, and Plate)0.43% - 0.50%0.60% - 0.90%0.040% Máximo0.050% Máximo